In 2010, Middle Eastern and North African (MENA) countries supplied about 30 million barrels/day (mmb/d) of liquid fuels, or a little more than one-third of estimated total global production.* Now, internal conflict in some MENA countries is heightening uncertainty about global oil supply. However, those nations most impacted thus far contribute small percentages, relatively, to global supply. The following is a look at what’s currently going on in major MENA countries and possible oil supply impacts: